Home / 7,244,899.60-10,867,349.40-5,438,000.20

Finding the Fourth Proportional to 7,244,899.60, 10,867,349.40 and 5,438,000.20

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Solution

The fourth proportional to 7,244,899.60, 10,867,349.40 and 5,438,000.20 is: 8,157,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,899.60 : 10,867,349.40 = 5,438,000.20 : x
  2. Step 2: Convert to fraction form
    7,244,899.60/10,867,349.40 = 5,438,000.20/x
  3. Step 3: Cross multiply
    7,244,899.60x = 10,867,349.40 × 5,438,000.20
  4. Step 4: Simplify right side
    7,244,899.60x = 59,096,648,210,669.88
  5. Step 5: Solve for x
    x = 59,096,648,210,669.88/7,244,899.60
  6. Step 6: Final answer
    x = 8,157,000.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.